Avon Grips Chrome Air Cushion Grips AIR-90 for Harley Davidson Push-Pull throttle: not for Fly-By-Wire. Inside length = 4.600" OD = 1.625" The most comfortable grips on the market today for shock resistance in your hands and upper body Air pockets inside the Kraton rubber grip absorb unwanted vibrations Billet aluminum ends and rings Will not work with models equipped with air reservoirs in the bars